These caster wheels are designed to be easily installed, making them a convenient choice for anyone looking to upgrade their furniture. The embedded design keeps them out of sight, while the Sturdy plastic ensures performance. Ideal for use on hardwood floors, these wheels prevent scratches and damage, keeping your floors looking pristine. Features -Color:Black -Material:Plastic -Size:5.50X5.50X2.50cm/2.16X2.16X0.98in -Wheel diameter16.5mm -Wheel width:19.5mm -Load bearing:30kg -Mounting height:9mm -Rotating radius：24mm -Mounting hole diameter:48mm -Quiet performance: these caster wheels are equipped with noisereduction technology, ensuring quiet and smooth operation without any disruptive sounds -Robust load capacity: capable of supporting heavy furniture, these wheels offer robust load capacity, ensuring durability and strength -Stabilizing : the of these wheels provides a stable base, reducing the risk of tipping and enhancing the stability of your furniture -Discreet installation: these wheels are designed for discreet installation, preserving the original appearance of your furniture without any visible alterations -Multidirectional movement: featuring multidirectional movement, these caster wheels allow for easy and flexible maneuverability Package list: 4 x furniture casters